diff --git a/shiftregister/importer/importer.py b/shiftregister/importer/importer.py
index 94d663a..301121b 100644
--- a/shiftregister/importer/importer.py
+++ b/shiftregister/importer/importer.py
@@ -52,11 +52,14 @@ def import_calendar(calendar):
                         room2, required_helpers = tuple(summary.rsplit(maxsplit=1))
                         room2 = room2.strip()
                         required_helpers = int(required_helpers)
-                        room = f"{room} ({room2})"
+                        if room != room2:
+                            room = f"{room2} ({room})"
                     except ValueError:
                         required_helpers = int(summary)
                 except ValueError:
                     required_helpers = 0
+                    if room != summary:
+                        room = f"{summary} ({room})"
             else:
                 try:
                     room, required_helpers = tuple(summary.rsplit(maxsplit=1))